403221242189 has 2 divisors, whose sum is σ = 403221242190. Its totient is φ = 403221242188.

The previous prime is 403221242173. The next prime is 403221242297. The reversal of 403221242189 is 981242122304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370692234025 + 32529008164 = 608845^2 + 180358^2 .

It is a cyclic number.

It is not a de Polignac number, because 403221242189 - 2⁴ = 403221242173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403221242789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201610621094 + 201610621095.

It is an arithmetic number, because the mean of its divisors is an integer number (201610621095).

Almost surely, 2^403221242189 is an apocalyptic number.

It is an amenable number.

403221242189 is a deficient number, since it is larger than the sum of its proper divisors (1).

403221242189 is an equidigital number, since it uses as much as digits as its factorization.

403221242189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 403221242189 in words is "four hundred three billion, two hundred twenty-one million, two hundred forty-two thousand, one hundred eighty-nine".